The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Millions of people live with atrial fibrillation, a racing, uneven heartbeat that can leave you exhausted and scared. Yet it ...

Mammals, from the mighty blue whale to the tiny shrew, inhabit nearly every corner of our planet. Their remarkable adaptability to different environments has long fascinated scientists, with each ...

The models can be used to plan surgeries and in the future could be used to help trial new drugs. A healthy heart beats at a steady rate, between 60 and 100 times a minute. That’s not the case for all ...

Aitor Aguirre receives funding from the NIH, AHA, Corewell-MSU Alliance Foundation and HVI. Aleksandra Kostina and Brett Volmert do not work for, consult, own shares in or receive funding from any ...